From: Milan Broz <mbroz@redhat.com>
Date: Fri, 10 Oct 2008 12:37:07 +0000 (+0100)
Subject: dm crypt: fix async inc_pending
X-Git-Tag: v2.6.28-rc1~729^2~7
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4e59409891c9cc30cb4d5d73250b0c968af8e39b;p=pandora-kernel.git

dm crypt: fix async inc_pending

The pending reference count must be incremented *before* the async work is
queued to another thread, not after.  Otherwise there's a race if the
work completes and decrements the reference count before it gets incremented.

Signed-off-by: Milan Broz <mbroz@redhat.com>
Signed-off-by: Alasdair G Kergon <agk@redhat.com>
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